[lustre-discuss] Lustre Installation Question: 158-c: Can't load module 'osd-zfs'
Yao Weng
wengyao04 at gmail.com
Tue Jun 27 21:40:11 PDT 2023
Hi:
I follow https://wiki.lustre.org/Installing_the_Lustre_Software to install
lustre.
My kernel is
$ uname -r
4.18.0-477.13.1.el8_8.x86_64
I install
https://downloads.whamcloud.com/public/lustre/lustre-2.15.3/el8.8/server
https://downloads.whamcloud.com/public/lustre/lustre-2.15.3/el8.8/client
https://downloads.whamcloud.com/public/e2fsprogs/1.47.0.wc2/el8
lsmod | grep lustre
*lustre* 1048576 0
lmv 204800 1 *lustre*
mdc 282624 1 *lustre*
lov 344064 2 mdc,*lustre*
ptlrpc 2490368 7 fld,osc,fid,lov,mdc,lmv,*lustre*
obdclass 3633152 8 fld,osc,fid,ptlrpc,lov,mdc,lmv,*lustre*
lnet 704512 7 osc,obdclass,ptlrpc,ksocklnd,lmv,*lustre*
libcfs 266240 11
fld,lnet,osc,fid,obdclass,ptlrpc,ksocklnd,lov,mdc,lmv,
*lustre*lsmod | grep zfs
lsmod | grep zfs
*zfs* 3887104 0
zunicode 335872 1 *zfs*
zzstd 512000 1 *zfs*
zlua 176128 1 *zfs*
zavl 16384 1 *zfs*
icp 319488 1 *zfs*
zcommon 102400 2 *zfs*,icp
znvpair 90112 2 *zfs*,zcommon
spl 114688 6 *zfs*,icp,zzstd,znvpair,zcommon,zavl
I am able to create mgs/mdt/ost
But when I try to mount
sudo mount.lustre lustre-mgs/mgs /lustre/mnt
mount.lustre: mount lustre-mgs/mgs at /lustre/mnt failed: No such device
Are the lustre modules loaded?
Check /etc/modprobe.conf and /proc/filesystems
dmesg gives these error
[76783.604090] LustreError: 158-c: Can't load module 'osd-zfs'
[76783.606174] LustreError: 223535:0:(genops.c:361:class_newdev()) OBD:
unknown type: osd-zfs
[76783.607856] LustreError: 223535:0:(obd_config.c:620:class_attach())
Cannot create device MGS-osd of type osd-zfs : -19
[76783.609805] LustreError:
223535:0:(obd_mount.c:195:lustre_start_simple()) MGS-osd attach error -19
[76783.611426] LustreError:
223535:0:(obd_mount_server.c:1993:server_fill_super()) Unable to start osd
on lustre-mgs/mgs: -19
[76783.613457] LustreError: 223535:0:(super25.c:183:lustre_fill_super())
llite: Unable to mount <unknown>: rc = -19
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